... subjected to repetitive low-frequency stimulation (10 Hz for 15 s) to produce staircase potentiation of isometric twitch force, after which muscles were quick frozen for determination of high-energy phosphate consumption (HEPC). During stimulation, WT muscles displayed significant potentiation of isometric...

... mechanical power red muscle swimming speed tail-beat frequency strain work loop isometric twitch skipjack tuna Katsuwonus pelamis stimulation. Muscles used in locomotion are known to have a variety of functions ( Biewener and Gillis, 1999 ), including powering propulsion (e.g. Biewener...